then a continuous minimum flow of 0.057 cubic metres per second 

 (2.0 cubic feet per second) shall be delivered to the United States 

 on the East Poplar River at the International Boundary during the 

 succeeding period June 1st through August 3 1st. A minimum 

 delivery of 0.028 cubic metres per second (1.0 cubic feet per 

 second) shall then be maintained from September 1st through to 

 May 31st of the following year. In addition, a volume of 617 cubic 

 decameters (500 acre-feet) shall be delivered to the United States 

 upon demand at any time during the 12-month period commencing 

 Jime 1st. 



(iii) When the total natural flow of the Middle Fork Poplar River, as 



determined below the confluence of Goose Creek, during the 

 immediately preceding March 1st to May 31st period is greater 

 than 9,250 cubic decameters (7,500 acre-feet), but does not exceed 

 14,800 cubic decameters (12,000 acre-feet), then a continuous 

 minimum flow of 0.085 cubic metres per second (3.0 cubic feet per 

 second) shall be delivered to the United States on the East Poplar 

 River at the International Boundary during the succeeding period 

 June 1st through August 31st. A minimum delivery of 0.057 cubic 

 metres per second (2.0 cubic feet per second) shall then be 

 maintained from September 1st through to May 31st of the 

 following year. In addition, a volume of 617 cubic decameters 

 (500 acre-feet) shall be delivered to the United States upon demand 

 at any time during the 12 month period commencing June 1st. 



(iv) When the total natural flow of the Middle Fork Poplar, as 



determined below the confluence of Goose Creek, during the 

 immediately preceding March 1st to May 31st period exceeds 

 14,800 cubic decameters (12,000 acre-feet) then a continuous 

 minimum flow of 0.085 cubic metres per second (3.0 cubic feet per 

 second) shall be delivered to the United States on the East Poplar 

 River at the Intemational Boundary during the succeeding period 

 June 1st through August 31st. A minimum delivery of 0.057 cubic 

 metres per second (2.0 cubic feet per second) shall then be 

 maintained from September 1st through to May 31st of the 

 following year. In addition, a volume of 1,230 cubic decameters 

 (1,000 acre-feet) shall be delivered to the United States upon 

 demand at any time during the 12-month period commencing June 

 1st. 



(c) The natural flow at the Intemational Boundary in each of the 



remaining individual tributaries shall not be depleted by more than 

 60 percent of its natural flow. 



A3-3 



